163 results
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... : A focal rounded ... surrounded by a ... Dermatomyositis, Lung ... #Diagnosis #pulmonary
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
silhouette sign ... anteriorly in the left lung ... due to a pneumonia ... caused by Sterptococcus ... #Clinical #Radiology
CT Lung Signs in Pulmonary Diseases - One Page Summary of Pulmonary Signs
 - Air Crescent
CT Lung Signs in ... #Signs #Pulmonary ... #Diseases #diagnosis ... #differential # ... radiology
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... • Idiopathic pulmonary ... Diseases #ILD #diagnosis ... #differential # ... pulmonary #causes
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
Here is a quick ... for enumerating differentials ... obstruction) - Grp A ... #Differential # ... #Agents #Diagnosis
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Differential Diagnosis ... Algorithm Idiopathic ... Diseases #ILD #Causes ... #Differential # ... Diagnosis #Algorithm
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
sliding/barcode sign ... pleura reflection) Pneumonia ... pleura in severe cases ... #differential # ... diagnosis #signs
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... • CT: Halo sign ... Rapid onset of a ... factor • May cause ... Infections #HIV #AIDS #pulmonary
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... • Interstitial lung ... Malformation • Severe Pneumonia ... #Diagnosis #Algorithm ... #Causes #Pulmonary
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
- Differential ... Diagnosis and Workup ... Algorithm Acute ... abscess, Necrotizing Pneumonia ... #pulmonary #differential